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They believe that people with higher incomes would be more likely both to be interested in a video about potential honeymoon destinations, and to be willing to pay more for such videos. They want you to determine what the data indicate about this.In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
Determine the dimensions of resulting exchanger?
If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 500 if you use the Z test?
Describe what you find then produce an ANOVA for the problem.
Z score on comparison distribution for sample score and your conclusion. Suppose that all population are normally distributed.
Calculate p value? What is the critical value?
Just, a case of food poisoning was traced to a particular restaurant chain. The source was identified and corrective actions were taken to make sure that the food poisoning would not reoccur. In spite of the response from the restaurant chain, man..
Construct a 99% confident interval for the standard deviation of the amount of vitamin B6 per pill.
Suppose the population standard deviations are not the same. At.05 significance level, is there a difference in mean waiting time?
Findout the variance also standard deviation for the 2 distributions above. Evalute the variation of the data sets.
A company has developed the new battery, but the average lifetime is unknown. In order to estimate the average, a sample of 150 batteries is tested and an average lifetime of this sample is found to be 250 hours.
Calculate probability that the sample would have a mean:
Statewide real estate sales agency, Farm Associates, specializes in selling farm property in state of Nebraska. At.10 significance level, has there been an increase in selling time?
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